IRA Written
If the outside air temperature increases during a flight at constant power and at a
constant indicated altitude, the true airspeed will:
A. decrease and true altitude will increase
B. increase and true altitude will decrease
C. increase and true altitude will increase - Answers -increase and true altitude will
increase
You check the flight instruments while taxiing and find that the vertical speed indicator
(VSI) indicates a descent of 100 feet per minute. In this case, you
A. may not proceed under IFR until the instrument is corrected by an authorized
instrument repairman
B. may take off under IFR and use 100 feet descent as the zero indication
C. may take off and proceed under IFR but only in VFR weather conditions - Answers -
may take off under IFR and use 100 feet descent as the zero indication (VSI not req. for
IFR; 91.205)
The local altimeter setting should be used by all pilots in a particular area, primarily to
provide for
A. the cancellation of altimeter error due to nonstandard temperatures aloft
B. better vertical separation of aircraft
C. more accurate terrain clearance in mountainous areas - Answers -better vertical
separation of aircraft
While you are flying at FL250, you hear ATC give an altimeter setting of 28.92" Hg in
your area. At what pressure altitude are you flying?
A. 24,000 feet
B. 25,000 feet
C. 26,000 feet - Answers -25,000 feet
Under what conditions will pressure altitude be equal to true altitude?
A. When the atmospheric pressure is 29.92" Hg
B. When standard atmospheric conditions exist
C. When indicated altitude is equal to the pressure altitude - Answers -When standard
atmospheric conditions exist
,How does a pilot normally obtain the current altimeter setting during an IFR flight in
Class E airspace below 18,000 feet?
A. The pilot should contact ARTCC at least every 100 NM and request the altimeter
setting
B. FSSs along the route broadcast the weather information at 15 minutes past the hour
C. ATC periodically advises the pilot of the proper altimeter setting - Answers -ATC
periodically advises the pilot of the proper altimeter setting
Under what condition will true altitude be lower than indicated altitude with an altimeter
setting of 29.92" Hg?
A. In warmer than standard air temperature
B. In colder than standard air temperature
C. When density altitude is higher than indicated altitude - Answers -In colder than
standard air temperature
Which condition would cause the altimeter to indicate a lower altitude than actually
flown (true altitude)?
A. Air temperature lower than standard
B. Atmospheric pressure lower than standard
C. Air temperature warmer than standard - Answers -Air temperature warmer than
standard
One characteristic that a properly functioning gyro depends upon for operation is the
A. ability to resist precession 90 degrees to any applied force
B. resistance to deflection of the spinning wheel or disc
C. deflecting force developed from the angular velocity of the spinning wheel - Answers
-B
Which condition during taxi is an indication that an attitude indicator is unreliable?
A. The horizon bar tilts more than 5 degrees while making taxi turns
B. The horizon bar vibrates during warmup
C. The horizon bar does not align itself with the miniature airplane after warmup -
Answers -A
During coordinated turns, which force moves the pendulous vanes of a vacuum-driven
attitude indicator resulting in precession of the gyro toward the inside of the turn?
A. Acceleration
B. Deceleration
C. Centrifugal - Answers -C
, If a 180 degree steep turn is made to the right and the aircraft is rolled out to straight-
and-level flight by visual references, the attitude indicator
A. should immediately show straight-and-level flight
B. may show a slight climb and turn
C. show a slight skid and climb to the right - Answers -B
During normal flight with a vacuum driven attitude indicator, control pressures normally
should not move the horizon bar more than
A. One bar width, with not more than an additional one bar width for normal flight
deviations
B. One-half bar width, with not more than an additional one bar width for normal flight
deviations
C. One-half bar width, with not more than an additional one-half bar width for normal
flight deviations - Answers -C
What indication is presented by the miniature aircraft of the turn coordinator?
A. Indirection indication of the bank attitude
B. Direct indication of the bank attitude and the quality of the turn
C. Quality of the turn - Answers -A
Automation in aircraft has proven
A. to present new hazards in its limitations
B. that automation is basically flawless
C. effective in preventing accidents - Answers -A
What is the relationship between centrifugal force and the horizontal lift component in a
coordinated turn?
A. Horizontal lift exceeds centrifugal force
B. Horizontal lift and centrifugal force are equal
C. Centrifugal force exceeds horizontal lift - Answers -B
During a skidding turn to the right, what is the relationship between the component of
lift, centrifugal force, and load factor?
A. Centrifugal force is less than horizontal life and the load factor is increased
B. Centrifugal force is greater than horizontal lift and the load factor is increased
C. Centrifugal force and horizontal lift are equal and the load factor is decreased -
Answers -B
As a rule of thumb, altitude corrections of less than 100 feet should be corrected by
using
If the outside air temperature increases during a flight at constant power and at a
constant indicated altitude, the true airspeed will:
A. decrease and true altitude will increase
B. increase and true altitude will decrease
C. increase and true altitude will increase - Answers -increase and true altitude will
increase
You check the flight instruments while taxiing and find that the vertical speed indicator
(VSI) indicates a descent of 100 feet per minute. In this case, you
A. may not proceed under IFR until the instrument is corrected by an authorized
instrument repairman
B. may take off under IFR and use 100 feet descent as the zero indication
C. may take off and proceed under IFR but only in VFR weather conditions - Answers -
may take off under IFR and use 100 feet descent as the zero indication (VSI not req. for
IFR; 91.205)
The local altimeter setting should be used by all pilots in a particular area, primarily to
provide for
A. the cancellation of altimeter error due to nonstandard temperatures aloft
B. better vertical separation of aircraft
C. more accurate terrain clearance in mountainous areas - Answers -better vertical
separation of aircraft
While you are flying at FL250, you hear ATC give an altimeter setting of 28.92" Hg in
your area. At what pressure altitude are you flying?
A. 24,000 feet
B. 25,000 feet
C. 26,000 feet - Answers -25,000 feet
Under what conditions will pressure altitude be equal to true altitude?
A. When the atmospheric pressure is 29.92" Hg
B. When standard atmospheric conditions exist
C. When indicated altitude is equal to the pressure altitude - Answers -When standard
atmospheric conditions exist
,How does a pilot normally obtain the current altimeter setting during an IFR flight in
Class E airspace below 18,000 feet?
A. The pilot should contact ARTCC at least every 100 NM and request the altimeter
setting
B. FSSs along the route broadcast the weather information at 15 minutes past the hour
C. ATC periodically advises the pilot of the proper altimeter setting - Answers -ATC
periodically advises the pilot of the proper altimeter setting
Under what condition will true altitude be lower than indicated altitude with an altimeter
setting of 29.92" Hg?
A. In warmer than standard air temperature
B. In colder than standard air temperature
C. When density altitude is higher than indicated altitude - Answers -In colder than
standard air temperature
Which condition would cause the altimeter to indicate a lower altitude than actually
flown (true altitude)?
A. Air temperature lower than standard
B. Atmospheric pressure lower than standard
C. Air temperature warmer than standard - Answers -Air temperature warmer than
standard
One characteristic that a properly functioning gyro depends upon for operation is the
A. ability to resist precession 90 degrees to any applied force
B. resistance to deflection of the spinning wheel or disc
C. deflecting force developed from the angular velocity of the spinning wheel - Answers
-B
Which condition during taxi is an indication that an attitude indicator is unreliable?
A. The horizon bar tilts more than 5 degrees while making taxi turns
B. The horizon bar vibrates during warmup
C. The horizon bar does not align itself with the miniature airplane after warmup -
Answers -A
During coordinated turns, which force moves the pendulous vanes of a vacuum-driven
attitude indicator resulting in precession of the gyro toward the inside of the turn?
A. Acceleration
B. Deceleration
C. Centrifugal - Answers -C
, If a 180 degree steep turn is made to the right and the aircraft is rolled out to straight-
and-level flight by visual references, the attitude indicator
A. should immediately show straight-and-level flight
B. may show a slight climb and turn
C. show a slight skid and climb to the right - Answers -B
During normal flight with a vacuum driven attitude indicator, control pressures normally
should not move the horizon bar more than
A. One bar width, with not more than an additional one bar width for normal flight
deviations
B. One-half bar width, with not more than an additional one bar width for normal flight
deviations
C. One-half bar width, with not more than an additional one-half bar width for normal
flight deviations - Answers -C
What indication is presented by the miniature aircraft of the turn coordinator?
A. Indirection indication of the bank attitude
B. Direct indication of the bank attitude and the quality of the turn
C. Quality of the turn - Answers -A
Automation in aircraft has proven
A. to present new hazards in its limitations
B. that automation is basically flawless
C. effective in preventing accidents - Answers -A
What is the relationship between centrifugal force and the horizontal lift component in a
coordinated turn?
A. Horizontal lift exceeds centrifugal force
B. Horizontal lift and centrifugal force are equal
C. Centrifugal force exceeds horizontal lift - Answers -B
During a skidding turn to the right, what is the relationship between the component of
lift, centrifugal force, and load factor?
A. Centrifugal force is less than horizontal life and the load factor is increased
B. Centrifugal force is greater than horizontal lift and the load factor is increased
C. Centrifugal force and horizontal lift are equal and the load factor is decreased -
Answers -B
As a rule of thumb, altitude corrections of less than 100 feet should be corrected by
using
